db.isMaster()
db.isMaster()
Deprecated since version 4.4.2: Use
db.hello()
instead.Returns a document that describes the role of the
mongod
instance.If the
mongod
is a member of a replica set, then theismaster
andsecondary
fields report if the instance is the primary or if it is a secondary member of the replica set.Tip
See:
isMaster
for the complete documentation of the output ofdb.isMaster()
.